2. The table shows a linear function.
x -3,-2,-1,0,1,2,3
F(x) -4,-1,2,5,8,11,14

(a) Determine the difference of outputs of any two inputs that are 1 unit apart. Show your work.
(b) Determine the difference of outputs of any two inputs that are 2 units apart. Show your work.
(c) Determine the difference of outputs of any two inputs that are 3 units apart. Show your work.
(d) Determine the difference of outputs of any two inputs that are 4 units apart. Show your work.